Gas-burner.



` No. 739,558. PATENTBD SEPT. 22, 1903.7' J. H. BATH.

GAS BURNER.

APrLloATIoN 11.21) DB0. 26.1902. No. MODEL.

Efill im mmm nung f r NVENTOR Jay #hi/ I* A Trae/vf Ys.

UNITED STATES Patented September 22, 1903.

PATENT OFFICE.

JAY H. RA'lI-I, OF NEW YORK, N. Y., ASSIGNOR TO THE RTII LIGHT COM- PANY, OF WILMINGTON, DELAWARE, A CORPORA'IION OF DELAWARE.

GAS-BURNER.

sPncIFIcArroN forming pm. of Letters Patent No. 739,558, dates september 22, 1903.

Application filed December 26, 1902, Serial No. 13616.48. (No model.)

To all whom t mayooncern: y Be it known that I, JAY H. RATE, acitize of the United States, and a resident of the city ofNew York, borough of Manhattan, in the county and State of New York, have invented newanduseful Improvements in.

Vthe gas check or feed controller f the gassupply passage or duct that any quantity of gas from a minimum to a maximum volume may be admitted to wthe mixing-chamber of the burner at will, thereby insuring that thedesired proportions to obtain a. light of certain candle-power or brilliancy may be positively had. Y

A further objectof my invention is to form a burner of a number of separable sections or parts, whereby the expense of constructing ormanufacturing the burner is greatly.

reduced, certain of the metallic parts being readily madelby stamping or the like. I also contemplate forming the draft-tube of two sections or chambers, Vthe upper section being relatively enlarged or widened, whereby the mixture ascending the tube and igniting above the screen formed in such enlarged section may be burned with an increased candle-power, thereby adding to the lighting capacity of the lamp.

'It is also the intention of the present invention to provide an improved burner which shall embody the essential features of economy in -the manufacture thereof and a cousequent reduction ,of the price to the purf chaser, while at the same time, owing to the frelatively'few parts composing the burner,

its simplicity will enable it to be installed and managed by even 'inexperienced persons. With these and other objects of a similar nature in view my invention consists ,in the peculiar construction, combination, and arrangement of parts, as is described-in this specification, delineated in the drawings, and set forth in the appended claims. Reference is to be had tothe accompanying drawings, forming a part of this specification,

in which similar characters of reference indicate corresponding parts in all the gures.

Figure l is a side elevation of a burner embodying my improvement. Fig. 2 is a vertical loggitndinal sectional view of the same. Fig.

3. is aperspective vv'iew'of the air-regulating collar. Fig. 4 is a top plan View of the main body portion of the 4gas check or regulator, and ig. 5 isa'similar view of the cap of the gas-check. 7

Referring now to the accompanying drawings'indetail, l designates the base or cuplike portion of the burner, said base portion being preferably provided with a milled or serrated iiange 2 and having a screw-threaded b e 3 extending centrally therethrough, adap ed to receiyo-thefend of a gas-pipe 4.

' The interior bottomsurfaee of this base casting or portion is screw-threaded, as at 5, for receiving-the circu'mferentially-threaded portion 6 of the gas-thixnble 7. As will beseen, this gas-thimble 7 is formed of a relatively wide base portion and a narrow tubular extension 8, a shoulder 9 being formedl at the point of juncture between the narrow extension and the base portionreferred to. The top surface of the tubular vextension' of the thimbleis provided with a nn-mber'of perforations l0 as is clearly shown in Fig. 4, to permit th gas to flow from thepipe into the mixing-chamber.

For controlling the dow of gas through the bored or tubular portion of the'thimble I have provided-a peculiar form of; check the construction of which is clearly shown in Figs. 2 and. 5, this check comprising a cap l1, adapted to lit over the tubular extension of the thiinble, such cap having a numberlof apertures formed in its top surface, which are adapted to register with the apertures in lshown in Fig. 5 and forms a very important feature of the invention, as the peculiar shape thereof enables the flow of gas into the mixing-chamber to be regulated. from a mini'- mum to a maximum volume with great positiveness. These apertures, which are shown at 12, are of approximately elongated segmental shape or pear-like conformationthat is to say, are formed with a widened portion gradually tapering to a point, as is clearly seen in the aforesaid Fig. 5. When thecap'is placed upon the extension of the thimble, it may be turned or revolved, so that the pear-like apertures may lit over the orifices in the thimble, so that the full ow of gas passes through the 'enlarged or widened portion of the apertures in the cap. When it is desired to dispense with the maximum` volume of gas passing through the thimble, the latter may be turned so that the minimum volume may be obtained by causing the points of the pear-like apertures to be in alinement with the aforesaid'oritices of the tubular extension. For the pu*l xose of assisting in revolving the cap upon the extension of the thimble the annular flange thereof, as at 13, may be milled or serrated.

The exterior of the base portion 1 is provided with a circumferentially extending shoulder 14 and an upwardly -extending screwthreaded fiange 15, saidflange being adapted to be engaged bya correspondinglythreaded base portion of the casing 16 of the mixing-chamber. This casing is provided with a number of elongated orifices 17, which are adaptedto aline withcorresponding orifices 18, formed in the collar 19, which revolubly surrounds said casing. As will be evident, the air adapted to commingle with the gas to form the lighting mixture passes through the apertures in the walls ofthe casing into the mixing-chamber and may be regulated by. turning the said collar 19, the solid portion 20 formed between the orifices in the collar being adapted to partially or entirely cover the elongated slots in the casing, thereby regulating the amount of air admitted to the chamber. This mixing-chamber I have designated as a whole by 21, and the upper portion of the casingthereof is provided with a reduced extended portion W adapted to vreceive the lower end of the draft-tube, which tube is formed of two portions 23 and 24.

The lower portion 23 is approximately truly cylindrical or straight, while the upper portion thereof is flared outwardly or widens, as at 25, until the top thereof, as at 26, is of greater diameter in cross-section than any other part of the aforesaid draft-tube. This top portion 26 is surmounted by the movable cap 27, carrying the usual gauze 28. Near the point of juncture with the lower port-ion of the draft-tubethe said enlarged upper section is circumferentially threaded, as at 29, for supporting the chimney-holder 30, which may-be' of any ordinary or preferred construction and is preferably provided with a socket 31 for retaining the rod 32 of an in-v candescent mantle. (Not shown.)

The construction and operation of my improved burner will be readily apparent from the above description when read in connection with the accompanying drawings. The numerous advantages incident thereto wiil also be appreciated', and while 1 have shown and herein described one particular embodiment of my invention it will be evident and is to be understood that I do not limi-t myself to the precise details of the construction shown herein, as there may be modifications and variations in certain respects without departing from the principle or scope of the invention or sacricing any of the essential fea`l tures thereof.

Having thus described my invention, claim as new and desire to secure by Letters Patent- 1. A burner comprising a mixing-chamber,- means for regulating the admission 'of air thereto, an oriced tube for conducting gas to said chamber and a gas-cheek surmounting said tube, the said check having aper 95 tures which are of varying cross-diameter formed therein and elongated in a circumferential direction, the check being movable to bring the apertures thereof into alinement with the orifices in the tube, substantially as roo' set forth. l

2. The combination with a gas-burner, of means for regulating the admission'of gas thereto, such means comprising an oriliced thimble in the chamber, and avarevoluble m5 check upon said thimble, said check having concentrically-arranged elongated segmental .apertures of varying crossdiameter 'therein said apertures being extended longitudinaiiy. in a circumferential direction and adapted to register with the apertures in the thirnblr-i,l substantially as set forth.

3. The combination with a gas-burner, of means for regulating the admission of gas thereto, such means comprising an oriiiced thimble in the chamber, and a -revoluble check upon said thimble, said check having apertures of varying cross-diameter elongated in the direction of rotationpf thecheck, such apertures being of approximately circular contour at their widest points gradually tapering to an apex at their point of narrowest diameter, substantially as set forth.

4. In a burner, the combination of a drafttube formed of lsections of varying cross-diameter, means for regulating the amount of air admitted to the burner, an orifieed tube for conducting gas to said burner, and a gasl 73eme .3

check hayingcneentricallyarrangedpear- In -iestimeny whereof I Ahave signed my4 shaped iapertures, of'varying cross-diameter name to thisvspeefeabion in` the presence of surmounping said tube and elongated in a two subscribing witnesses. cireumfefeutial direction, the cheek being Y JAY I. RA-TH. movable to bring the apertures thereof into Wltnesses: Y alnemenhwth the ori'ces in the tube, Sub; JNO. M. RITTER, stantallys set forth. l l RICHARD '13. CAVANAGH. 

